Aviation security encompasses a range of measures and procedures aimed at protecting passengers, crew, aircraft, and airports from unlawful interference, sabotage, and terrorism.

The Bureau of Civil Aviation Security (BCAS) is the nodal agency responsible for civil aviation security in India. It is a specialized agency under the Ministry of Civil Aviation.

The Central Industrial Security Force (CISF) is responsible for providing armed security at airports, screening passengers and baggage, conducting security checks on aircraft, and other security-related duties.

The sterile area in an airport is a secure area where passengers and crew are screened and checked before being allowed to board an aircraft. It is designed to prevent unauthorized access to aircraft and ensure the safety of passengers and crew.

According to the regulations of the Bureau of Civil Aviation Security (BCAS), passengers are allowed to carry a maximum of 100 ml of liquids in their hand luggage on domestic flights in India.

Air traffic control is a service provided by ground-based air traffic controllers who direct aircraft on the ground and in the air, ensuring the safe and orderly flow of air traffic, preventing collisions between aircraft, and providing navigation assistance to pilots.

Radio communication is the primary method used by air traffic controllers to communicate with pilots. Controllers use radios to transmit instructions, clearances, and information to pilots, and pilots use radios to respond and acknowledge instructions.

A flight plan is a document that contains information about the intended route of an aircraft, its estimated departure and arrival times, and other relevant details. It is used by air traffic controllers to track the movement of aircraft, facilitate communication between controllers and pilots, and ensure the safe and orderly flow of air traffic.

Separation standards in air traffic control are designed to maintain a safe distance between aircraft, prevent collisions, and ensure the orderly flow of air traffic. These standards specify the minimum horizontal and vertical separation that must be maintained between aircraft in different phases of flight.

Air traffic management involves planning and managing the flow of air traffic, coordinating between air traffic control centers, allocating airspace to different users (such as airlines, military, and general aviation), and ensuring the efficient and safe movement of aircraft.

The primary responsibility of the airport authority is to manage and operate airports, including maintaining and developing airport infrastructure, providing essential services to airlines and passengers, and ensuring the smooth and efficient operation of airport facilities.

Aeronautical charts are visual representations of airspace and terrain that provide pilots with essential information for navigation and flight planning. They depict various features such as airports, navigation aids, airspace boundaries, and terrain elevations, and facilitate communication between pilots and air traffic controllers.

Flight simulators are used in aviation training to provide pilots with realistic training scenarios, evaluate their skills and proficiency, familiarize them with different aircraft types, and prepare them for various flight conditions and emergencies.

Maintenance, repair, and overhaul (MRO) in aviation involve performing scheduled inspections, repairs, and overhauls on aircraft to ensure their airworthiness and safety. This includes replacing worn-out or damaged components, conducting routine maintenance tasks, and addressing any defects or issues identified during inspections.

Aviation regulations play a crucial role in ensuring safety and security by establishing standards for aircraft design and operation, defining procedures for air traffic control and navigation, and ensuring compliance with international aviation agreements. These regulations help maintain a safe and orderly airspace, prevent accidents, and facilitate the smooth and efficient operation of air transportation.